Staff

The Board of Directors of the North Harris County Regional Water Authority appointed Jun Chang as the Authority’s General Manager on January 1, 2021. Jun served as the Authority’s Deputy General Manager since October 2016.

Prior to joining the Authority, Jun had more than 27 years of Civil Engineering experience with the City of Houston. Formerly the Deputy Director of Public Works & Engineering Department for the City of Houston, Jun was responsible for the operation and maintenance of the City of Houston’s regional water and wastewater utility systems.

Jun has B.S. (1985) and M.S. (1987) degrees in Civil Engineering from the University of Houston, and is a Registered Professional Engineer in the State of Texas and a Diplomat of American Academy of Water Resources Engineers. He serves on the Board of Directors of the Texas Water Conservation Association.

Mark Evans is the Planning & Governmental Affairs Director for the North Harris County Regional Water Authority. As the Authority’s Planning & Governmental Affairs Director, he assists the General Manager in interfacing with numerous state and local agencies and entities. Mark coordinates the Authority’s Reuse Incentive Program and GIS Program. He also oversees the Authority’s Legislative Program and in coordination and consultation with the Authority’s Legislative Consultant, develops the Program and monitors the Texas Legislature in session and during the interim.

Evans is the Chairman of the Texas Water Development Board’s Region H Water Planning Group. He was appointed as a member of the Region H Water Planning Group at its creation in 1997 and was elected Vice Chairman of the group and served in that capacity until 2009 when he became Chairman. In January 2020, he was appointed to TWDB’s Interregional Planning Council and chaired the Council’s Committee on Planning Water Resources for the State as a Whole. He was reappointed in July of 2o22 to the Planning Council. He also serves on the Board of Directors of the Texas Water Conservation Association.

He is a sixth generation Texan and earned his Bachelor of Business Administration degree at Sam Houston State University. He began his government service with a 9-year tenure as a Field Appraiser with the Texas General Land Office. Elected as Trinity County Judge in 1995, he served four terms in office and retired as County Judge in 2010. While County Judge, Evans held leadership positions in numerous professional and governmental associations, including President of the County Judges & Commissioners Association of Texas and Chairman of the Forest Counties Payment Committee, an influential Congressional Advisory Committee.

Showri Nandagiri, who is serving as Engineering Coordinator for the North Harris County Regional Water Authority, retired from the City of Houston, Department of Public Works and Engineering, as City Engineer. Showri worked for the City for more than 25 years and is highly regarded and widely recognized as one of the premier engineering professionals in the potable water field. Showri, a resident of Sugar Land, has his Bachelor’s degree in Civil Engineering from India and has a Master’s degree in Water Resources from the University of Connecticut. After working briefly for Turner, Collie and Braden Inc. in Houston, he joined the City as a graduate engineer in 1978. He held several positions, including Senior Assistant Director for Water Engineering and Construction Division, and Deputy Director for Engineering, Construction and Real Estate Division. He was responsible for managing the Surface Water Transmission Program for the City of Houston for over two decades.

Raj Singh is serving as Engineering Manager for NHCRWA, retired from the City of Houston, Department of Houston Public Works, as Managing Engineer with over 30 years of diverse experience. Raj’s career has focused on large Municipal Infrastructure delivery Projects and Petrochemical facilities, including integrated Design-Build water and surface water treatment plants, pump stations, water storage tank rehabilitation program and water lines. Raj has been involved in designing and preparing construction documents, including plans and specifications for various projects. Raj has a bachelor’s degree in science and mechanical Engineering from India, and is a registered Professional Engineer in the State of Texas. Raj is a certified Assoc. DBIA.

Doug Haude is serving as Construction Manager for the North Harris County Regional Water Authority (NHCRWA). He has more than 33 years of experience both in the financial and engineering industries with a background in planning, permitting, engineering, and program, project, construction and financial management. Prior to joining NHCRWA, Doug has spent the past eighteen years with AECOM Technical Services and the San Jacinto River Authority (SJRA) where he was primarily focused on two large Groundwater Reduction Programs (GRP) in northern Harris and Montgomery Counties, the NHCRWA and SJRA GRP Programs, respectively.

Doug holds a Bachelor of Science in Civil Engineering from the University of Houston (2002) along with a Bachelor of Business Administration with a major in Accounting from Stephen F. Austin State University (1987) and is a Registered Professional Engineer in the State of Texas. Doug currently serves as a Board Director on the Klein ISD Education Foundation Board. He has previously served on various Boards including past President of the Harris County MUD No. 249, past President of the University of Houston Engineering Alumni Association, as well as previously serving as Assistant Treasurer, Treasurer and Vice President of the American Public Works Association, Southeast Texas Branch.